tools/build.c

   1 /*
   2  * Copyright 1993 Robert J. Amstadt
   3  * Copyright 1995 Alexandre Julliard
   4  * Copyright 1995 Martin von Loewis
   5  */
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <ctype.h>
  11 #include "wine.h"
  12 #include "module.h"
  13 #include "neexe.h"
  14
  15 /* ELF symbols do not have an underscore in front */
  16 #ifdef __ELF__
  17 #define PREFIX
  18 #else
  19 #define PREFIX "_"
  20 #endif
  21
  22 #define TYPE_INVALID     0
  23 #define TYPE_BYTE        1
  24 #define TYPE_WORD        2
  25 #define TYPE_LONG        3
  26 #define TYPE_PASCAL_16   4
  27 #define TYPE_PASCAL      5
  28 #define TYPE_REGISTER    6
  29 #define TYPE_ABS         7
  30 #define TYPE_RETURN      8
  31 #define TYPE_STUB        9
  32 #define TYPE_STDCALL    10
  33
  34 #define MAX_ORDINALS    1299
  35
  36   /* Callback function used for stub functions */
  37 #define STUB_CALLBACK  "RELAY_Unimplemented"
  38
  39 typedef struct ordinal_definition_s
  40 {
  41     int type;
  42     int offset;
  43     char export_name[80];
  44     void *additional_data;
  45 } ORDDEF;
  46
  47 typedef struct ordinal_variable_definition_s
  48 {
  49     int n_values;
  50     int *values;
  51 } ORDVARDEF;
  52
  53 typedef struct ordinal_function_definition_s
  54 {
  55     int  n_args;
  56     char arg_types[32];
  57     char internal_name[80];
  58 } ORDFUNCDEF;
  59
  60 typedef struct ordinal_return_definition_s
  61 {
  62     int arg_size;
  63     int ret_value;
  64 } ORDRETDEF;
  65
  66 static ORDDEF OrdinalDefinitions[MAX_ORDINALS];
  67
  68 char LowerDLLName[80];
  69 char UpperDLLName[80];
  70 int Limit = 0;
  71 int DLLId;
  72 int Base = 0;
  73 FILE *SpecFp;
  74
  75 char *ParseBuffer = NULL;
  76 char *ParseNext;
  77 char ParseSaveChar;
  78 int Line;
  79
  80 static int debugging = 1;
  81
  82   /* Offset of register relative to the end of the context struct */
  83 #define CONTEXTOFFSET(reg) \
  84    ((int)&(((struct sigcontext_struct *)1)->reg) - 1 \
  85     - sizeof(struct sigcontext_struct))
  86
  87 static int IsNumberString(char *s)
  88 {
  89     while (*s != '\0')
  90         if (!isdigit(*s++))
  91             return 0;
  92
  93     return 1;
  94 }
  95
  96 static char *strlower(char *s)
  97 {
  98     char *p;
  99
 100     for(p = s; *p != '\0'; p++)
 101         *p = tolower(*p);
 102
 103     return s;
 104 }
 105
 106 static char *strupper(char *s)
 107 {
 108     char *p;
 109
 110     for(p = s; *p != '\0'; p++)
 111         *p = toupper(*p);
 112
 113     return s;
 114 }
 115
 116 static char * GetTokenInLine(void)
 117 {
 118     char *p;
 119     char *token;
 120
 121     if (ParseNext != ParseBuffer)
 122     {
 123         if (ParseSaveChar == '\0')
 124             return NULL;
 125         *ParseNext = ParseSaveChar;
 126     }
 127
 128     /*
 129      * Remove initial white space.
 130      */
 131     for (p = ParseNext; isspace(*p); p++)
 132         ;
 133
 134     if ((*p == '\0') || (*p == '#'))
 135         return NULL;
 136
 137     /*
 138      * Find end of token.
 139      */
 140     token = p++;
 141     if (*token != '(' && *token != ')')
 142         while (*p != '\0' && *p != '(' && *p != ')' && !isspace(*p))
 143             p++;
 144
 145     ParseSaveChar = *p;
 146     ParseNext = p;
 147     *p = '\0';
 148
 149     return token;
 150 }
 151
 152 static char * GetToken(void)
 153 {
 154     char *token;
 155
 156     if (ParseBuffer == NULL)
 157     {
 158         ParseBuffer = malloc(512);
 159         ParseNext = ParseBuffer;
 160         Line++;
 161         while (1)
 162         {
 163             if (fgets(ParseBuffer, 511, SpecFp) == NULL)
 164                 return NULL;
 165             if (ParseBuffer[0] != '#')
 166                 break;
 167         }
 168     }
 169
 170     while ((token = GetTokenInLine()) == NULL)
 171     {
 172         ParseNext = ParseBuffer;
 173         Line++;
 174         while (1)
 175         {
 176             if (fgets(ParseBuffer, 511, SpecFp) == NULL)
 177                 return NULL;
 178             if (ParseBuffer[0] != '#')
 179                 break;
 180         }
 181     }
 182
 183     return token;
 184 }
 185
 186 static int ParseVariable(int ordinal, int type)
 187 {
 188     ORDDEF *odp;
 189     ORDVARDEF *vdp;
 190     char export_name[80];
 191     char *token;
 192     char *endptr;
 193     int *value_array;
 194     int n_values;
 195     int value_array_size;
 196
 197     strcpy(export_name, GetToken());
 198
 199     token = GetToken();
 200     if (*token != '(')
 201     {
 202         fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
 203         exit(1);
 204     }
 205
 206     n_values = 0;
 207     value_array_size = 25;
 208     value_array = malloc(sizeof(*value_array) * value_array_size);
 209
 210     while ((token = GetToken()) != NULL)
 211     {
 212         if (*token == ')')
 213             break;
 214
 215         value_array[n_values++] = strtol(token, &endptr, 0);
 216         if (n_values == value_array_size)
 217         {
 218             value_array_size += 25;
 219             value_array = realloc(value_array,
 220                                   sizeof(*value_array) * value_array_size);
 221         }
 222
 223         if (endptr == NULL || *endptr != '\0')
 224         {
 225             fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 226                     token);
 227             exit(1);
 228         }
 229     }
 230
 231     if (token == NULL)
 232     {
 233         fprintf(stderr, "%d: End of file in variable declaration\n", Line);
 234         exit(1);
 235     }
 236
 237     if (ordinal >= MAX_ORDINALS)
 238     {
 239         fprintf(stderr, "%d: Ordinal number too large\n", Line);
 240         exit(1);
 241     }
 242
 243     odp = &OrdinalDefinitions[ordinal];
 244     odp->type = type;
 245     strcpy(odp->export_name, export_name);
 246
 247     vdp = malloc(sizeof(*vdp));
 248     odp->additional_data = vdp;
 249
 250     vdp->n_values = n_values;
 251     vdp->values = realloc(value_array, sizeof(*value_array) * n_values);
 252
 253     return 0;
 254 }
 255
 256 static int ParseExportFunction(int ordinal, int type)
 257 {
 258     char *token;
 259     ORDDEF *odp;
 260     ORDFUNCDEF *fdp;
 261     int i;
 262
 263     odp = &OrdinalDefinitions[ordinal];
 264     strcpy(odp->export_name, GetToken());
 265     odp->type = type;
 266     fdp = malloc(sizeof(*fdp));
 267     odp->additional_data = fdp;
 268
 269     token = GetToken();
 270     if (*token != '(')
 271     {
 272         fprintf(stderr, "%d: Expected '(' got '%s'\n", Line, token);
 273         exit(1);
 274     }
 275
 276     for (i = 0; i < 16; i++)
 277     {
 278         token = GetToken();
 279         if (*token == ')')
 280             break;
 281
 282         if (!strcmp(token, "byte") || !strcmp(token, "word"))
 283             fdp->arg_types[i] = 'w';
 284         else if (!strcmp(token, "s_byte") || !strcmp(token, "s_word"))
 285             fdp->arg_types[i] = 's';
 286         else if (!strcmp(token, "long") || !strcmp(token, "segptr"))
 287             fdp->arg_types[i] = 'l';
 288         else if (!strcmp(token, "ptr"))
 289             fdp->arg_types[i] = 'p';
 290         else
 291         {
 292             fprintf(stderr, "%d: Unknown variable type '%s'\n", Line, token);
 293             exit(1);
 294         }
 295     }
 296     fdp->arg_types[i] = '\0';
 297
 298     strcpy(fdp->internal_name, GetToken());
 299     return 0;
 300 }
 301
 302 static int ParseEquate(int ordinal)
 303 {
 304     ORDDEF *odp;
 305     char *token;
 306     char *endptr;
 307     int value;
 308
 309     odp = &OrdinalDefinitions[ordinal];
 310     strcpy(odp->export_name, GetToken());
 311
 312     token = GetToken();
 313     value = strtol(token, &endptr, 0);
 314     if (endptr == NULL || *endptr != '\0')
 315     {
 316         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 317                 token);
 318         exit(1);
 319     }
 320
 321     odp->type = TYPE_ABS;
 322     odp->additional_data = (void *) value;
 323
 324     return 0;
 325 }
 326
 327 static int ParseReturn(int ordinal)
 328 {
 329     ORDDEF *odp;
 330     ORDRETDEF *rdp;
 331     char *token;
 332     char *endptr;
 333
 334     rdp = malloc(sizeof(*rdp));
 335
 336     odp = &OrdinalDefinitions[ordinal];
 337     strcpy(odp->export_name, GetToken());
 338     odp->type = TYPE_RETURN;
 339     odp->additional_data = rdp;
 340
 341     token = GetToken();
 342     rdp->arg_size = strtol(token, &endptr, 0);
 343     if (endptr == NULL || *endptr != '\0')
 344     {
 345         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 346                 token);
 347         exit(1);
 348     }
 349
 350     token = GetToken();
 351     rdp->ret_value = strtol(token, &endptr, 0);
 352     if (endptr == NULL || *endptr != '\0')
 353     {
 354         fprintf(stderr, "%d: Expected number value, got '%s'\n", Line,
 355                 token);
 356         exit(1);
 357     }
 358
 359     return 0;
 360 }
 361
 362
 363 static int ParseStub( int ordinal )
 364 {
 365     ORDDEF *odp;
 366     ORDFUNCDEF *fdp;
 367
 368     odp = &OrdinalDefinitions[ordinal];
 369     strcpy( odp->export_name, GetToken() );
 370     odp->type = TYPE_STUB;
 371     fdp = malloc(sizeof(*fdp));
 372     odp->additional_data = fdp;
 373     fdp->arg_types[0] = '\0';
 374     strcpy( fdp->internal_name, STUB_CALLBACK );
 375     return 0;
 376 }
 377
 378
 379 static int ParseOrdinal(int ordinal)
 380 {
 381     char *token;
 382
 383     if (ordinal >= MAX_ORDINALS)
 384     {
 385         fprintf(stderr, "%d: Ordinal number too large\n", Line);
 386         exit(1);
 387     }
 388     if (ordinal > Limit) Limit = ordinal;
 389
 390     token = GetToken();
 391     if (token == NULL)
 392     {
 393         fprintf(stderr, "%d: Expected type after ordinal\n", Line);
 394         exit(1);
 395     }
 396
 397     if (strcmp(token, "byte") == 0)
 398         return ParseVariable(ordinal, TYPE_BYTE);
 399     else if (strcmp(token, "word") == 0)
 400         return ParseVariable(ordinal, TYPE_WORD);
 401     else if (strcmp(token, "long") == 0)
 402         return ParseVariable(ordinal, TYPE_LONG);
 403     else if (strcmp(token, "p") == 0)
 404         return ParseExportFunction(ordinal, TYPE_PASCAL);
 405     else if (strcmp(token, "pascal") == 0)
 406         return ParseExportFunction(ordinal, TYPE_PASCAL);
 407     else if (strcmp(token, "pascal16") == 0)
 408         return ParseExportFunction(ordinal, TYPE_PASCAL_16);
 409     else if (strcmp(token, "register") == 0)
 410         return ParseExportFunction(ordinal, TYPE_REGISTER);
 411     else if (strcmp(token, "stdcall") == 0)
 412         return ParseExportFunction(ordinal, TYPE_STDCALL);
 413     else if (strcmp(token, "equate") == 0)
 414         return ParseEquate(ordinal);
 415     else if (strcmp(token, "return") == 0)
 416         return ParseReturn(ordinal);
 417     else if (strcmp(token, "stub") == 0)
 418         return ParseStub(ordinal);
 419     else
 420     {
 421         fprintf(stderr,
 422                 "%d: Expected type after ordinal, found '%s' instead\n",
 423                 Line, token);
 424         exit(1);
 425     }
 426 }
 427
 428 static int ParseTopLevel(void)
 429 {
 430     char *token;
 431
 432     while ((token = GetToken()) != NULL)
 433     {
 434         if (strcmp(token, "name") == 0)
 435         {
 436             strcpy(LowerDLLName, GetToken());
 437             strlower(LowerDLLName);
 438
 439             strcpy(UpperDLLName, LowerDLLName);
 440             strupper(UpperDLLName);
 441         }
 442         else if (strcmp(token, "id") == 0)
 443         {
 444             token = GetToken();
 445             if (!IsNumberString(token))
 446             {
 447                 fprintf(stderr, "%d: Expected number after id\n", Line);
 448                 exit(1);
 449             }
 450
 451             DLLId = atoi(token);
 452         }
 453         else if (strcmp(token, "base") == 0)
 454         {
 455                 token = GetToken();
 456                 if (!IsNumberString(token))
 457                 {
 458                 fprintf(stderr, "%d: Expected number after base\n", Line);
 459                 exit(1);
 460                 }
 461
 462                 Base = atoi(token);
 463         }
 464         else if (IsNumberString(token))
 465         {
 466             int ordinal;
 467             int rv;
 468
 469             ordinal = atoi(token);
 470             if ((rv = ParseOrdinal(ordinal)) < 0)
 471                 return rv;
 472         }
 473         else
 474         {
 475             fprintf(stderr,
 476                     "%d: Expected name, id, length or ordinal\n", Line);
 477             exit(1);
 478         }
 479     }
 480
 481     return 0;
 482 }
 483
 484
 485 static int OutputVariableCode( char *storage, ORDDEF *odp )
 486 {
 487     ORDVARDEF *vdp;
 488     int i;
 489
 490     vdp = odp->additional_data;
 491     printf( "\t.data\n" );
 492     for (i = 0; i < vdp->n_values; i++)
 493     {
 494         if ((i & 7) == 0)
 495             printf( "\t%s\t", storage);
 496
 497         printf( "%d", vdp->values[i]);
 498
 499         if ((i & 7) == 7 || i == vdp->n_values - 1) printf( "\n");
 500         else printf( ", ");
 501     }
 502     printf( "\n");
 503     printf( "\t.text\n" );
 504     return vdp->n_values;
 505 }
 506
 507
 508 /*******************************************************************
 509  *         BuildModule
 510  *
 511  * Build the in-memory representation of the module, and dump it
 512  * as a byte stream into the assembly code.
 513  */
 514 static void BuildModule( int max_code_offset, int max_data_offset )
 515 {
 516     ORDDEF *odp;
 517     int i, size;
 518     char *buffer;
 519     NE_MODULE *pModule;
 520     SEGTABLEENTRY *pSegment;
 521     LOADEDFILEINFO *pFileInfo;
 522     BYTE *pstr, *bundle;
 523     WORD *pword;
 524
 525     /*   Module layout:
 526      * NE_MODULE       Module
 527      * LOADEDFILEINFO  File information
 528      * SEGTABLEENTRY   Segment 1 (code)
 529      * SEGTABLEENTRY   Segment 2 (data)
 530      * WORD[2]         Resource table (empty)
 531      * BYTE[2]         Imported names (empty)
 532      * BYTE[n]         Resident names table
 533      * BYTE[n]         Entry table
 534      */
 535
 536     buffer = malloc( 0x10000 );
 537
 538     pModule = (NE_MODULE *)buffer;
 539     pModule->magic = NE_SIGNATURE;
 540     pModule->count = 1;
 541     pModule->next = 0;
 542     pModule->flags = NE_FFLAGS_SINGLEDATA | NE_FFLAGS_LIBMODULE;
 543     pModule->dgroup = 2;
 544     pModule->heap_size = 0xffff;
 545     pModule->stack_size = 0;
 546     pModule->ip = 0;
 547     pModule->cs = 0;
 548     pModule->sp = 0;
 549     pModule->ss = 0;
 550     pModule->seg_count = 2;
 551     pModule->modref_count = 0;
 552     pModule->nrname_size = 0;
 553     pModule->modref_table = 0;
 554     pModule->nrname_fpos = 0;
 555     pModule->moveable_entries = 0;
 556     pModule->alignment = 0;
 557     pModule->truetype = 0;
 558     pModule->os_flags = NE_OSFLAGS_WINDOWS;
 559     pModule->misc_flags = 0;
 560     pModule->dlls_to_init  = 0;
 561     pModule->nrname_handle = 0;
 562     pModule->min_swap_area = 0;
 563     pModule->expected_version = 0x030a;
 564
 565       /* File information */
 566
 567     pFileInfo = (LOADEDFILEINFO *)(pModule + 1);
 568     pModule->fileinfo = (int)pFileInfo - (int)pModule;
 569     pFileInfo->length = sizeof(LOADEDFILEINFO) + strlen(UpperDLLName) + 3;
 570     pFileInfo->fixed_media = 0;
 571     pFileInfo->error = 0;
 572     pFileInfo->date = 0;
 573     pFileInfo->time = 0;
 574     sprintf( pFileInfo->filename, "%s.DLL", UpperDLLName );
 575     pstr = (char *)pFileInfo + pFileInfo->length + 1;
 576
 577       /* Segment table */
 578
 579     pSegment = (SEGTABLEENTRY *)pstr;
 580     pModule->seg_table = (int)pSegment - (int)pModule;
 581     pSegment->filepos = 0;
 582     pSegment->size = max_code_offset;
 583     pSegment->flags = 0;
 584     pSegment->minsize = max_code_offset;
 585     pSegment->selector = 0;
 586     pSegment++;
 587
 588     pModule->dgroup_entry = (int)pSegment - (int)pModule;
 589     pSegment->filepos = 0;
 590     pSegment->size = max_data_offset;
 591     pSegment->flags = NE_SEGFLAGS_DATA;
 592     pSegment->minsize = max_data_offset;
 593     pSegment->selector = 0;
 594     pSegment++;
 595
 596       /* Resource table */
 597
 598     pword = (WORD *)pSegment;
 599     pModule->res_table = (int)pword - (int)pModule;
 600     *pword++ = 0;
 601     *pword++ = 0;
 602
 603       /* Imported names table */
 604
 605     pstr = (char *)pword;
 606     pModule->import_table = (int)pstr - (int)pModule;
 607     *pstr++ = 0;
 608     *pstr++ = 0;
 609
 610       /* Resident names table */
 611
 612     pModule->name_table = (int)pstr - (int)pModule;
 613     /* First entry is module name */
 614     *pstr = strlen(UpperDLLName );
 615     strcpy( pstr + 1, UpperDLLName );
 616     pstr += *pstr + 1;
 617     *(WORD *)pstr = 0;
 618     pstr += sizeof(WORD);
 619     /* Store all ordinals */
 620     odp = OrdinalDefinitions + 1;
 621     for (i = 1; i <= Limit; i++, odp++)
 622     {
 623         if (!odp->export_name[0]) continue;
 624         *pstr = strlen( odp->export_name );
 625         strcpy( pstr + 1, odp->export_name );
 626         strupper( pstr + 1 );
 627         pstr += *pstr + 1;
 628         *(WORD *)pstr = i;
 629         pstr += sizeof(WORD);
 630     }
 631     *pstr++ = 0;
 632
 633       /* Entry table */
 634
 635     pModule->entry_table = (int)pstr - (int)pModule;
 636     bundle = NULL;
 637     odp = OrdinalDefinitions + 1;
 638     for (i = 1; i <= Limit; i++, odp++)
 639     {
 640         int selector = 0;
 641
 642         switch (odp->type)
 643         {
 644         case TYPE_INVALID:
 645             selector = 0;  /* Invalid selector */
 646             break;
 647
 648         case TYPE_PASCAL:
 649         case TYPE_PASCAL_16:
 650         case TYPE_REGISTER:
 651         case TYPE_RETURN:
 652         case TYPE_STUB:
 653             selector = 1;  /* Code selector */
 654             break;
 655
 656         case TYPE_BYTE:
 657         case TYPE_WORD:
 658         case TYPE_LONG:
 659             selector = 2;  /* Data selector */
 660             break;
 661
 662         case TYPE_ABS:
 663             selector = 0xfe;  /* Constant selector */
 664             break;
 665         }
 666
 667           /* create a new bundle if necessary */
 668         if (!bundle || (bundle[0] >= 254) || (bundle[1] != selector))
 669         {
 670             bundle = pstr;
 671             bundle[0] = 0;
 672             bundle[1] = selector;
 673             pstr += 2;
 674         }
 675
 676         (*bundle)++;
 677         if (selector != 0)
 678         {
 679             *pstr++ = 1;
 680             *(WORD *)pstr = odp->offset;
 681             pstr += sizeof(WORD);
 682         }
 683     }
 684     *pstr++ = 0;
 685
 686       /* Dump the module content */
 687
 688     printf( "\t.data\n" );
 689     printf( "\t.globl " PREFIX "%s_Module_Start\n", UpperDLLName );
 690     printf( PREFIX "%s_Module_Start:\n", UpperDLLName );
 691     size = (int)pstr - (int)pModule;
 692     for (i = 0, pstr = buffer; i < size; i++, pstr++)
 693     {
 694         if (!(i & 7)) printf( "\t.byte " );
 695         printf( "%d%c", *pstr, ((i & 7) != 7) ? ',' : '\n' );
 696     }
 697     if (i & 7) printf( "0\n" );
 698     printf( "\t.globl " PREFIX "%s_Module_End\n", UpperDLLName );
 699     printf( PREFIX "%s_Module_End:\n", UpperDLLName );
 700 }
 701
 702
 703 static void BuildSpec32Files( char *specname )
 704 {
 705     ORDDEF *odp;
 706     ORDFUNCDEF *fdp;
 707     ORDRETDEF *rdp;
 708     int i;
 709
 710     SpecFp = fopen( specname, "r");
 711     if (SpecFp == NULL)
 712     {
 713         fprintf(stderr, "Could not open specification file, '%s'\n", specname);
 714         exit(1);
 715     }
 716
 717     ParseTopLevel();
 718
 719     printf( "/* File generated automatically, do not edit! */\n" );
 720     printf( "#include <sys/types.h>\n");
 721     printf( "#include \"dlls.h\"\n");
 722     printf( "#include \"pe_image.h\"\n");
 723     printf( "#include \"winerror.h\"\n");
 724     printf( "#include \"stddebug.h\"\n");
 725     printf( "#include \"debug.h\"\n");
 726     printf( "\nextern int RELAY32_Unimplemented();\n\n" );
 727
 728     odp = OrdinalDefinitions;
 729     for (i = 0; i <= Limit; i++, odp++)
 730     {
 731         int argno,argc;
 732         fdp = odp->additional_data;
 733         rdp = odp->additional_data;
 734
 735         switch (odp->type)
 736         {
 737         case TYPE_INVALID:
 738         case TYPE_STUB:
 739             printf( "int %s_%d()\n{\n\t", UpperDLLName, i);
 740             printf( "RELAY32_Unimplemented(\"%s\",%d);\n", UpperDLLName, i);
 741             printf( "\t/*NOTREACHED*/\n\treturn 0;\n}\n\n");
 742             break;
 743         case TYPE_STDCALL:
 744             argc=strlen(fdp->arg_types);
 745             printf( "void %s_%d(", UpperDLLName, i);
 746             for(argno=0;argno<argc;argno++)
 747             {
 748                 switch(fdp->arg_types[argno])
 749                 {
 750                 case 'p': printf( "void *");break;
 751                 case 'l': printf( "int ");break;
 752                 default:
 753                     fprintf(stderr, "Not supported argument type %c\n",
 754                             fdp->arg_types[argno]);
 755                     exit(1);
 756                 }
 757                 putchar( 'a'+argno );
 758                 if (argno!=argc-1) putchar( ',' );
 759             }
 760             printf( ")\n{\n" );
 761             printf( "\textern int %s();\n", fdp->internal_name );
 762             printf( "\tdprintf_relay(stddeb,\"Entering %%s.%%s(");
 763             for (argno=0;argno<argc;argno++) printf( "%%x ");
 764             printf( ")\\n\", \"%s\", \"%s\"", UpperDLLName, odp->export_name);
 765             for(argno=0;argno<argc;argno++) printf( ",%c", 'a'+argno);
 766             printf( ");\n\t%s(", fdp->internal_name );
 767             for(argno=0;argno<argc;argno++)
 768             {
 769                 putchar('a'+argno);
 770                 if (argno!=argc-1) putchar(',');
 771             }
 772             printf( ");\n\t__asm__ __volatile__(\"movl %%ebp,%%esp;"
 773                     "popl %%ebp;ret $%d\");\n}\n\n",
 774                     4*argc);
 775             break;
 776         case TYPE_RETURN:
 777             printf( "void %s_%d()\n{\n\t", UpperDLLName, i);
 778             printf( "RELAY32_DebugEnter(\"%s\",\"%s\");\n\t",
 779                    UpperDLLName, odp->export_name);
 780             printf( "WIN32_LastError=ERROR_CALL_NOT_IMPLEMENTED;\n");
 781             printf( "\t__asm__ __volatile__ (\"movl %d,%%eax\");\n",
 782                    rdp->ret_value);
 783             printf( "\t__asm__ __volatile__ (\"movl %%ebp,%%esp;popl %%ebp;"
 784                     "ret $%d\");\n}\n\n", rdp->arg_size);
 785             break;
 786         default:
 787             fprintf(stderr,"build: function type %d not available for Win32\n",
 788                     odp->type);
 789             break;
 790         }
 791     }
 792
 793     printf( "static WIN32_function functions[%d+1]={\n", Limit);
 794
 795     odp = OrdinalDefinitions;
 796     for (i = 0; i <= Limit; i++, odp++)
 797     {
 798         fdp = odp->additional_data;
 799         rdp = odp->additional_data;
 800
 801         switch (odp->type)
 802         {
 803         case TYPE_INVALID:
 804             printf( "{0,%s_%d},\n",UpperDLLName, i);
 805             break;
 806         case TYPE_RETURN:
 807         case TYPE_STDCALL:
 808         case TYPE_STUB:
 809             printf( "{\"%s\",%s_%d},\n", odp->export_name, UpperDLLName, i);
 810             break;
 811         default:
 812             fprintf(stderr, "build: implementation error: missing %d\n",
 813                     odp->type);
 814             exit(1);
 815         }
 816     }
 817     printf("};\n\n");
 818
 819     printf( "static WIN32_builtin dll={\"%s\",functions,%d,0};\n",
 820             UpperDLLName, Limit);
 821
 822     printf( "void %s_Init(void)\n{\n",UpperDLLName);
 823     printf( "\tdll.next=WIN32_builtin_list;\n");
 824     printf( "\tWIN32_builtin_list=&dll;\n}");
 825 }
 826
 827
 828 static void BuildSpec16Files( char *specname )
 829 {
 830     ORDDEF *odp;
 831     ORDFUNCDEF *fdp;
 832     ORDRETDEF *rdp;
 833     int i;
 834     int code_offset, data_offset;
 835
 836     SpecFp = fopen( specname, "r");
 837     if (SpecFp == NULL)
 838     {
 839         fprintf(stderr, "Could not open specification file, '%s'\n", specname);
 840         exit(1);
 841     }
 842
 843     ParseTopLevel();
 844
 845     printf( "/* File generated automatically; do not edit! */\n" );
 846     printf( "\t.data\n" );
 847     printf( "\t.globl " PREFIX "%s_Data_Start\n", UpperDLLName );
 848     printf( PREFIX "%s_Data_Start:\n", UpperDLLName );
 849     printf( "\t.word 0,0,0,0,0,0,0,0\n" );
 850     data_offset = 16;
 851     printf( "\t.text\n" );
 852     printf( "\t.globl " PREFIX "%s_Code_Start\n", UpperDLLName );
 853     printf( PREFIX "%s_Code_Start:\n", UpperDLLName );
 854     code_offset = 0;
 855
 856     odp = OrdinalDefinitions;
 857     for (i = 0; i <= Limit; i++, odp++)
 858     {
 859         fdp = odp->additional_data;
 860         rdp = odp->additional_data;
 861
 862         switch (odp->type)
 863         {
 864           case TYPE_INVALID:
 865             odp->offset = 0xffff;
 866             break;
 867
 868           case TYPE_ABS:
 869             odp->offset = (int)odp->additional_data & 0xffff;
 870             break;
 871
 872           case TYPE_BYTE:
 873             printf( "/* %s.%d */\n", UpperDLLName, i);
 874             odp->offset = data_offset;
 875             data_offset += OutputVariableCode( ".byte", odp);
 876             break;
 877
 878           case TYPE_WORD:
 879             printf( "/* %s.%d */\n", UpperDLLName, i);
 880             odp->offset = data_offset;
 881             data_offset += 2 * OutputVariableCode( ".word", odp);
 882             break;
 883
 884           case TYPE_LONG:
 885             printf( "/* %s.%d */\n", UpperDLLName, i);
 886             odp->offset = data_offset;
 887             data_offset += 4 * OutputVariableCode( ".long", odp);
 888             break;
 889
 890           case TYPE_RETURN:
 891             printf( "/* %s.%d */\n", UpperDLLName, i);
 892             printf( "\tmovw $%d,%%ax\n", rdp->ret_value & 0xffff );
 893             printf( "\tmovw $%d,%%dx\n", (rdp->ret_value >> 16) & 0xffff);
 894             printf( "\t.byte 0x66\n");
 895             if (rdp->arg_size != 0)
 896                 printf( "\tlret $%d\n", rdp->arg_size);
 897             else
 898                 printf( "\tlret\n");
 899             odp->offset = code_offset;
 900             code_offset += 10;  /* Assembly code is 10 bytes long */
 901             if (rdp->arg_size != 0) code_offset += 2;
 902             break;
 903
 904           case TYPE_REGISTER:
 905           case TYPE_PASCAL:
 906           case TYPE_PASCAL_16:
 907           case TYPE_STUB:
 908             printf( "/* %s.%d */\n", UpperDLLName, i);
 909             printf( "\tpushw %%bp\n" );
 910             printf( "\tpushl $0x%08x\n", (DLLId << 16) | i);
 911             printf( "\tpushl $" PREFIX "%s\n", fdp->internal_name );
 912             printf( "\tljmp $0x%04x, $" PREFIX "CallTo32_%s_%s\n\n",
 913                     WINE_CODE_SELECTOR,
 914                     (odp->type == TYPE_REGISTER) ? "regs" :
 915                     (odp->type == TYPE_PASCAL) ? "long" : "word",
 916                     fdp->arg_types );
 917             printf( "\tnop\n" );
 918             printf( "\tnop\n" );
 919             printf( "\tnop\n" );
 920             printf( "\tnop\n" );
 921             printf( "\tnop\n" );
 922             odp->offset = code_offset;
 923             code_offset += 24;  /* Assembly code is 24 bytes long */
 924             break;
 925
 926           default:
 927             fprintf( stderr, "build: Unknown function type; please report.\n");
 928             break;
 929         }
 930     }
 931
 932     if (!code_offset)  /* Make sure the code segment is not empty */
 933     {
 934         printf( "\t.byte 0\n" );
 935         code_offset++;
 936     }
 937
 938     BuildModule( code_offset, data_offset );
 939 }
 940
 941
 942 /*******************************************************************
 943  *         BuildCall32LargeStack
 944  *
 945  * Build the function used to switch to the original 32-bit stack
 946  * before calling a 32-bit function from 32-bit code. This is used for
 947  * functions that need a large stack, like X bitmaps functions.
 948  *
 949  * The generated function has the following prototype:
 950  *   int CallTo32_LargeStack( int (*func)(), int nbargs, ... )
 951  *
 952  * Stack layout:
 953  *   ...     ...
 954  * (ebp+20)  arg2
 955  * (ebp+16)  arg1
 956  * (ebp+12)  nbargs
 957  * (ebp+8)   func
 958  * (ebp+4)   ret addr
 959  * (ebp)     ebp
 960  */
 961 static void BuildCall32LargeStack(void)
 962 {
 963     /* Function header */
 964
 965     printf( "/**********\n" );
 966     printf( " * " PREFIX "CallTo32_LargeStack\n" );
 967     printf( " **********/\n" );
 968     printf( "\t.align 4\n" );
 969     printf( "\t.globl " PREFIX "CallTo32_LargeStack\n\n" );
 970     printf( PREFIX "CallTo32_LargeStack:\n" );
 971
 972     /* Entry code */
 973
 974     printf( "\tpushl %%ebp\n" );
 975     printf( "\tmovl %%esp,%%ebp\n" );
 976
 977     /* Retrieve the original 32-bit stack pointer */
 978
 979     printf( "\tmovl " PREFIX "IF1632_Original32_esp, %%eax\n" );
 980     printf( "\torl %%eax,%%eax\n" );
 981     printf( "\tje 0f\n" );
 982
 983     /* Save registers */
 984
 985     printf( "\tpushl %%ecx\n" );
 986     printf( "\tpushl %%esi\n" );
 987     printf( "\tpushl %%edi\n" );
 988
 989     /* Switch to the new stack */
 990
 991     printf( "\tmovl %%eax,%%esp\n" );
 992
 993     /* Transfer the arguments */
 994
 995     printf( "\tleal 16(%%ebp),%%esi\n" );
 996     printf( "\tmovl 12(%%ebp),%%ecx\n" );
 997     printf( "\torl %%ecx,%%ecx\n" );
 998     printf( "\tje 1f\n" );
 999     printf( "\tshll $2,%%ecx\n" );
1000     printf( "\tsubl %%ecx,%%esp\n" );
1001     printf( "\tmovl %%esp,%%edi\n" );
1002     printf( "\tshrl $2,%%ecx\n" );
1003     printf( "\trep; movsl\n" );
1004     printf( "1:\n" );
1005
1006     /* Call the function */
1007
1008     printf( "\tcall 8(%%ebp)\n" );
1009
1010     /* Switch back to the normal stack */
1011
1012     printf( "\tleal -12(%%ebp),%%esp\n" );
1013
1014     /* Restore registers and return */
1015
1016     printf( "\tpopl %%edi\n" );
1017     printf( "\tpopl %%esi\n" );
1018     printf( "\tpopl %%ecx\n" );
1019
1020     printf( "\tpopl %%ebp\n" );
1021     printf( "\tret\n" );
1022
1023     /* We get here if IF1632_Original32_esp is 0, i.e. we have not */
1024     /* switched to another 32-bit stack yet. */
1025
1026     printf( "0:\n" );
1027
1028     /* Move the return address up the stack */
1029
1030     printf( "\tmovl 4(%%ebp),%%eax\n" );
1031     printf( "\tmovl %%eax,12(%%ebp)\n" );
1032
1033     /* Restore ebp and remove old return address */
1034
1035     printf( "\tpopl %%ebp\n" );
1036     printf( "\taddl $4,%%esp\n" );
1037
1038     /* Now jump to the routine, leaving the original return address and */
1039     /* the arguments on the stack. */
1040
1041     printf( "\tret\n" );
1042 }
1043
1044
1045 /*******************************************************************
1046  *         TransferArgs16To32
1047  *
1048  * Get the arguments from the 16-bit stack and push them on the 32-bit stack.
1049  * The 16-bit stack layout is:
1050  *   ...     ...
1051  *  (bp+8)    arg2
1052  *  (bp+6)    arg1
1053  *  (bp+4)    cs
1054  *  (bp+2)    ip
1055  *  (bp)      bp
1056  */
1057 static int TransferArgs16To32( char *args )
1058 {
1059     int i, pos16, pos32;
1060
1061     /* Save ebx first */
1062
1063     printf( "\tpushl %%ebx\n" );
1064
1065     /* Get the 32-bit stack pointer */
1066
1067     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1068
1069     /* Copy the arguments */
1070
1071     pos16 = 6;  /* skip bp and return address */
1072     pos32 = 0;
1073
1074     for (i = strlen(args); i > 0; i--)
1075     {
1076         pos32 -= 4;
1077         switch(args[i-1])
1078         {
1079         case 'w':  /* word */
1080             printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1081             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1082             pos16 += 2;
1083             break;
1084
1085         case 's':  /* s_word */
1086             printf( "\tmovswl %d(%%ebp),%%eax\n", pos16 );
1087             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1088             pos16 += 2;
1089             break;
1090
1091         case 'l':  /* long */
1092             printf( "\tmovl %d(%%ebp),%%eax\n", pos16 );
1093             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1094             pos16 += 4;
1095             break;
1096
1097         case 'p':  /* ptr */
1098             /* Get the selector */
1099             printf( "\tmovw %d(%%ebp),%%ax\n", pos16 + 2 );
1100             /* Get the selector base */
1101             printf( "\tandl $0xfff8,%%eax\n" );
1102             printf( "\tmovl " PREFIX "ldt_copy(%%eax),%%eax\n" );
1103             printf( "\tmovl %%eax,%d(%%ebx)\n", pos32 );
1104             /* Add the offset */
1105             printf( "\tmovzwl %d(%%ebp),%%eax\n", pos16 );
1106             printf( "\taddl %%eax,%d(%%ebx)\n", pos32 );
1107             pos16 += 4;
1108             break;
1109
1110         default:
1111             fprintf( stderr, "Unknown arg type '%c'\n", args[i-1] );
1112         }
1113     }
1114
1115     /* Restore ebx */
1116
1117     printf( "\tpopl %%ebx\n" );
1118
1119     return pos16 - 6;  /* Return the size of the 16-bit args */
1120 }
1121
1122
1123 /*******************************************************************
1124  *         BuildContext
1125  *
1126  * Build the context structure on the 32-bit stack.
1127  * The only valid registers in the context structure are:
1128  *   eax, ebx, ecx, edx, esi, edi, ds, es, (some of the) flags
1129  */
1130 static void BuildContext(void)
1131 {
1132     /* Save ebx first */
1133
1134     printf( "\tpushl %%ebx\n" );
1135
1136     /* Get the 32-bit stack pointer */
1137
1138     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1139
1140     /* Store the registers */
1141
1142     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_ebx) ); /* Get ebx from stack */
1143     printf( "\tmovl %%eax,%d(%%ebx)\n", CONTEXTOFFSET(sc_eax) );
1144     printf( "\tmovl %%ecx,%d(%%ebx)\n", CONTEXTOFFSET(sc_ecx) );
1145     printf( "\tmovl %%edx,%d(%%ebx)\n", CONTEXTOFFSET(sc_edx) );
1146     printf( "\tmovl %%esi,%d(%%ebx)\n", CONTEXTOFFSET(sc_esi) );
1147     printf( "\tmovl %%edi,%d(%%ebx)\n", CONTEXTOFFSET(sc_edi) );
1148     printf( "\tpushw %%es\n" );
1149     printf( "\tpopw %d(%%ebx)\n", CONTEXTOFFSET(sc_es) );
1150     printf( "\tmovw -10(%%ebp),%%ax\n" );  /* Get saved ds from stack */
1151     printf( "\tmovw %%ax,%d(%%ebx)\n", CONTEXTOFFSET(sc_ds) );
1152     printf( "\tpushfl\n" );
1153 #ifndef __FreeBSD__
1154     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1155 #else
1156     printf( "\tpopl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1157 #endif
1158 }
1159
1160
1161 /*******************************************************************
1162  *         RestoreContext
1163  *
1164  * Restore the registers from the context structure
1165  */
1166 static void RestoreContext(void)
1167 {
1168     /* Get the 32-bit stack pointer */
1169
1170     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebx\n" );
1171
1172     /* Restore the registers */
1173
1174     printf( "\tmovl %d(%%ebx),%%ecx\n", CONTEXTOFFSET(sc_ecx) );
1175     printf( "\tmovl %d(%%ebx),%%edx\n", CONTEXTOFFSET(sc_edx) );
1176     printf( "\tmovl %d(%%ebx),%%esi\n", CONTEXTOFFSET(sc_esi) );
1177     printf( "\tmovl %d(%%ebx),%%edi\n", CONTEXTOFFSET(sc_edi) );
1178     printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_es) );
1179     printf( "\tpopw %%es\n" );
1180     printf( "\tpopw %%ax\n" );  /* Remove old ds from the stack */
1181     printf( "\tpushw %d(%%ebx)\n", CONTEXTOFFSET(sc_ds) ); /* Push new ds */
1182 #ifndef __FreeBSD__
1183     printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_eflags) );
1184 #else
1185     printf( "\tpushl %d(%%ebx)\n", CONTEXTOFFSET(sc_efl) );
1186 #endif
1187     printf( "\tpopfl\n" );
1188     printf( "\tmovl %d(%%ebx),%%eax\n", CONTEXTOFFSET(sc_eax) );
1189     printf( "\tmovl %d(%%ebx),%%ebx\n", CONTEXTOFFSET(sc_ebx) );
1190 }
1191
1192
1193 /*******************************************************************
1194  *         BuildCall32Func
1195  *
1196  * Build a 32-bit callback function. The syntax of the function
1197  * profile is: type_xxxxx, where 'type' is one of 'regs', 'word' or
1198  * 'long' and each 'x' is an argument ('w'=word, 's'=signed word,
1199  * 'l'=long, 'p'=pointer).
1200  * For register functions, the arguments are ignored, but they are still
1201  * removed from the stack upon return.
1202  *
1203  * Stack layout upon entry to the callback function:
1204  *  ...      ...
1205  * (sp+14)  first 16-bit arg
1206  * (sp+12)  cs (word)
1207  * (sp+10)  ip (word)
1208  * (sp+8)   bp (word)
1209  * (sp+4)   dll_id+ordinal (long)
1210  * (sp)     entrypoint (long)
1211  *
1212  */
1213 static void BuildCall32Func( char *profile )
1214 {
1215     int argsize = 0;
1216     int short_ret = 0;
1217     int reg_func = 0;
1218     char *args = profile + 5;
1219
1220     /* Parse function type */
1221
1222     if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1223     else if (!strncmp( "regs_", profile, 5 )) reg_func = 1;
1224     else if (strncmp( "long_", profile, 5 ))
1225     {
1226         fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1227         return;
1228     }
1229
1230     /* Function header */
1231
1232     printf( "/**********\n" );
1233     printf( " * " PREFIX "CallTo32_%s\n", profile );
1234     printf( " **********/\n" );
1235     printf( "\t.align 4\n" );
1236     printf( "\t.globl " PREFIX "CallTo32_%s\n\n", profile );
1237     printf( PREFIX "CallTo32_%s:\n", profile );
1238
1239     /* Setup bp to point to its copy on the stack */
1240
1241     printf( "\tmovzwl %%sp,%%ebp\n" );
1242     printf( "\taddw $8,%%bp\n" );
1243
1244     /* Save 16-bit ds */
1245
1246     printf( "\tpushw %%ds\n" );
1247
1248     /* Restore 32-bit ds */
1249
1250     printf( "\tpushw $0x%04x\n", WINE_DATA_SELECTOR );
1251     printf( "\tpopw %%ds\n" );
1252
1253     /* Save the 16-bit stack */
1254
1255     printf( "\tpushw " PREFIX "IF1632_Saved16_sp\n" );
1256     printf( "\tpushw " PREFIX "IF1632_Saved16_ss\n" );
1257     printf( "\tmovw %%ss," PREFIX "IF1632_Saved16_ss\n" );
1258     printf( "\tmovw %%sp," PREFIX "IF1632_Saved16_sp\n" );
1259
1260     /* Transfer the arguments */
1261
1262     if (reg_func) BuildContext();
1263     else if (*args) argsize = TransferArgs16To32( args );
1264
1265     /* Get the address of the API function */
1266
1267     printf( "\tmovl -8(%%ebp),%%eax\n" );
1268
1269     /* If necessary, save %edx over the API function address */
1270
1271     if (!reg_func && short_ret)
1272         printf( "\tmovl %%edx,-8(%%ebp)\n" );
1273
1274     /* Setup es */
1275
1276     printf( "\tpushw %%ds\n" );
1277     printf( "\tpopw %%es\n" );
1278
1279     /* Switch to the 32-bit stack */
1280
1281     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%ebp\n" );
1282     printf( "\tpushw %%ds\n" );
1283     printf( "\tpopw %%ss\n" );
1284     printf( "\tleal -%d(%%ebp),%%esp\n",
1285             reg_func ? sizeof(struct sigcontext_struct) : 4 * strlen(args) );
1286
1287     /* Setup %ebp to point to the previous stack frame (built by CallTo16) */
1288
1289     printf( "\taddl $24,%%ebp\n" );
1290
1291     /* Print the debug information before the call */
1292
1293     if (debugging)
1294     {
1295         printf( "\tpushl %%eax\n" );
1296         printf( "\tpushl $CALL32_Str_%s\n", profile );
1297         printf( "\tcall " PREFIX "RELAY_DebugCall32\n" );
1298         printf( "\tpopl %%eax\n" );
1299         printf( "\tpopl %%eax\n" );
1300     }
1301
1302     /* Call the entry point */
1303
1304     printf( "\tcall %%eax\n" );
1305
1306     /* Print the debug information after the call */
1307
1308     if (debugging)
1309     {
1310         printf( "\tpushl %%eax\n" );
1311         printf( "\tpushl $%d\n", reg_func ? 2 : (short_ret ? 1 : 0) );
1312         printf( "\tcall " PREFIX "RELAY_DebugReturn\n" );
1313         printf( "\tpopl %%eax\n" );
1314         printf( "\tpopl %%eax\n" );
1315     }
1316
1317     /* Restore the 16-bit stack */
1318
1319     printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1320     printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1321     printf( "\tpopw " PREFIX "IF1632_Saved16_ss\n" );
1322     printf( "\tpopw " PREFIX "IF1632_Saved16_sp\n" );
1323
1324     if (reg_func)
1325     {
1326         /* Restore registers from the context structure */
1327         RestoreContext();
1328
1329         /* Calc the arguments size */
1330         while (*args)
1331         {
1332             switch(*args)
1333             {
1334             case 'w':
1335             case 's':
1336                 argsize += 2;
1337                 break;
1338             case 'p':
1339             case 'l':
1340                 argsize += 4;
1341                 break;
1342             default:
1343                 fprintf( stderr, "Unknown arg type '%c'\n", *args );
1344             }
1345             args++;
1346         }
1347     }
1348
1349     /* Restore ds */
1350
1351     printf( "\tpopw %%ds\n" );
1352
1353     /* Get the return value into dx:ax and clean up the stack */
1354
1355     if (!reg_func)
1356     {
1357         if (short_ret)
1358         {
1359             printf( "\tpopl %%edx\n" );     /* Restore %edx */
1360             printf( "\taddl $4,%%esp\n" );  /* Remove DLL id and ordinal */
1361         }
1362         else
1363         {
1364             printf( "\tpushl %%eax\n" );
1365             printf( "\tpopw %%ax\n" );
1366             printf( "\tpopw %%dx\n" );
1367             /* Remove API entry point, DLL id and ordinal from the stack */
1368             printf( "\taddl $8,%%esp\n" );
1369         }
1370     }
1371     else
1372     {
1373         /* Remove API entry point, DLL id and ordinal from the stack, */
1374         /* but take care not to change the value of the carry flag.   */
1375
1376         printf( "\tpopl %%ebp\n" );
1377         printf( "\tpopl %%ebp\n" );
1378     }
1379
1380     /* Restore bp */
1381
1382     printf( "\tpopw %%bp\n" );
1383
1384     /* Remove the arguments and return */
1385
1386     if (argsize)
1387     {
1388         printf( "\t.byte 0x66\n" );
1389         printf( "\tlret $%d\n", argsize );
1390     }
1391     else
1392     {
1393         printf( "\t.byte 0x66\n" );
1394         printf( "\tlret\n" );
1395     }
1396 }
1397
1398
1399 /*******************************************************************
1400  *         BuildCall16Func
1401  *
1402  * Build a 16-bit callback function.
1403  *
1404  * Stack frame of the callback function:
1405  *  ...      ...
1406  * (ebp+24) arg2
1407  * (ebp+20) arg1
1408  * (ebp+16) 16-bit ds
1409  * (ebp+12) func to call
1410  * (ebp+8)  code selector
1411  * (ebp+4)  return address
1412  * (ebp)    previous ebp
1413  *
1414  * Prototypes for the CallTo16 functions:
1415  *   extern WORD CallTo16_word_xxx( FARPROC func, WORD ds, args... );
1416  *   extern LONG CallTo16_long_xxx( FARPROC func, WORD ds, args... );
1417  *   extern void CallTo16_regs_( FARPROC func, WORD ds, WORD es, WORD bp,
1418  *                               WORD ax, WORD bx, WORD cx, WORD dx,
1419  *                               WORD si, WORD di );
1420  */
1421 static void BuildCall16Func( char *profile )
1422 {
1423     int short_ret = 0;
1424     int reg_func = 0;
1425     char *args = profile + 5;
1426
1427     if (!strncmp( "word_", profile, 5 )) short_ret = 1;
1428     else if (!strncmp( "regs_", profile, 5 )) reg_func = short_ret = 1;
1429     else if (strncmp( "long_", profile, 5 ))
1430     {
1431         fprintf( stderr, "Invalid function name '%s', ignored\n", profile );
1432         return;
1433     }
1434
1435     /* Function header */
1436
1437     printf( "/**********\n" );
1438     printf( " * " PREFIX "CallTo16_%s\n", profile );
1439     printf( " **********/\n" );
1440     printf( "\t.align 4\n" );
1441     printf( "\t.globl " PREFIX "CallTo16_%s\n\n", profile );
1442     printf( PREFIX "CallTo16_%s:\n", profile );
1443
1444     /* Push code selector before return address to simulate a lcall */
1445
1446     printf( "\tpopl %%eax\n" );
1447     printf( "\tpushl $0x%04x\n", WINE_CODE_SELECTOR );
1448     printf( "\tpushl %%eax\n" );
1449
1450     /* Entry code */
1451
1452     printf( "\tpushl %%ebp\n" );
1453     printf( "\tmovl %%esp,%%ebp\n" );
1454
1455     /* Save the 32-bit registers */
1456
1457     printf( "\tpushl %%ebx\n" );
1458     printf( "\tpushl %%ecx\n" );
1459     printf( "\tpushl %%edx\n" );
1460     printf( "\tpushl %%esi\n" );
1461     printf( "\tpushl %%edi\n" );
1462
1463     /* Save the 32-bit stack */
1464
1465     printf( "\tpushl " PREFIX "IF1632_Saved32_esp\n" );
1466     printf( "\tmovl %%esp," PREFIX "IF1632_Saved32_esp\n" );
1467     printf( "\tmovl %%ebp,%%ebx\n" );
1468
1469     /* Print debugging info */
1470
1471     if (debugging)
1472     {
1473         /* Push the address of the first argument */
1474         printf( "\tmovl %%ebx,%%eax\n" );
1475         printf( "\taddl $12,%%eax\n" );
1476         printf( "\tpushl $%d\n", reg_func ? 8 : strlen(args) );
1477         printf( "\tpushl %%eax\n" );
1478         printf( "\tcall " PREFIX "RELAY_DebugCall16\n" );
1479         printf( "\tpopl %%eax\n" );
1480         printf( "\tpopl %%eax\n" );
1481     }
1482
1483     /* Switch to the 16-bit stack */
1484
1485     printf( "\tmovw " PREFIX "IF1632_Saved16_ss,%%ss\n" );
1486     printf( "\tmovw " PREFIX "IF1632_Saved16_sp,%%sp\n" );
1487
1488     /* Transfer the arguments */
1489
1490     if (reg_func)
1491     {
1492         /* Get the registers. ebx is handled later on. */
1493         printf( "\tpushw 20(%%ebx)\n" );
1494         printf( "\tpopw %%es\n" );
1495         printf( "\tmovl 24(%%ebx),%%ebp\n" );
1496         printf( "\tmovl 28(%%ebx),%%eax\n" );
1497         printf( "\tmovl 36(%%ebx),%%ecx\n" );
1498         printf( "\tmovl 40(%%ebx),%%edx\n" );
1499         printf( "\tmovl 44(%%ebx),%%esi\n" );
1500         printf( "\tmovl 48(%%ebx),%%edi\n" );
1501     }
1502     else  /* not a register function */
1503     {
1504         int pos = 20;  /* first argument position */
1505
1506         /* Make %bp point to the previous stackframe (built by CallTo32) */
1507         printf( "\tmovw %%sp,%%bp\n" );
1508         printf( "\taddw $16,%%bp\n" );
1509
1510         while (*args)
1511         {
1512             switch(*args++)
1513             {
1514             case 'w': /* word */
1515                 printf( "\tpushw %d(%%ebx)\n", pos );
1516                 break;
1517             case 'l': /* long */
1518                 printf( "\tpushl %d(%%ebx)\n", pos );
1519                 break;
1520             }
1521             pos += 4;
1522         }
1523     }
1524
1525     /* Push the return address */
1526
1527     printf( "\tpushl " PREFIX "CALL16_RetAddr_%s\n",
1528             short_ret ? "word" : "long" );
1529
1530     /* Push the called routine address */
1531
1532     printf( "\tpushl 12(%%ebx)\n" );
1533
1534     /* Get the 16-bit ds */
1535     /* FIXME: this shouldn't be necessary if function prologs fixup worked. */
1536
1537     if (reg_func)
1538     {
1539         printf( "\tpushw 16(%%ebx)\n" );
1540         printf( "\tmovl 32(%%ebx),%%ebx\n" ); /*Get ebx from the 32-bit stack*/
1541         printf( "\tpopw %%ds\n" );
1542     }
1543     else
1544     {
1545         /* Set ax equal to ds for window procedures */
1546         printf( "\tmovw 16(%%ebx),%%ax\n" );
1547 /*        printf( "\tmovw %%ax,%%ds\n" ); */
1548     }
1549
1550     /* Jump to the called routine */
1551
1552     printf( "\t.byte 0x66\n" );
1553     printf( "\tlret\n" );
1554 }
1555
1556
1557 /*******************************************************************
1558  *         BuildRet16Func
1559  *
1560  * Build the return code for 16-bit callbacks
1561  */
1562 static void BuildRet16Func()
1563 {
1564     printf( "\t.globl " PREFIX "CALL16_Ret_word\n" );
1565     printf( "\t.globl " PREFIX "CALL16_Ret_long\n" );
1566
1567     /* Put return value into eax */
1568
1569     printf( PREFIX "CALL16_Ret_long:\n" );
1570     printf( "\tpushw %%dx\n" );
1571     printf( "\tpushw %%ax\n" );
1572     printf( "\tpopl %%eax\n" );
1573     printf( PREFIX "CALL16_Ret_word:\n" );
1574
1575     /* Restore 32-bit segment registers */
1576
1577     printf( "\tmovw $0x%04x,%%bx\n", WINE_DATA_SELECTOR );
1578     printf( "\tmovw %%bx,%%ds\n" );
1579     printf( "\tmovw %%bx,%%es\n" );
1580     printf( "\tmovw %%bx,%%ss\n" );
1581
1582     /* Restore the 32-bit stack */
1583
1584     printf( "\tmovl " PREFIX "IF1632_Saved32_esp,%%esp\n" );
1585     printf( "\tpopl " PREFIX "IF1632_Saved32_esp\n" );
1586
1587     /* Restore the 32-bit registers */
1588
1589     printf( "\tpopl %%edi\n" );
1590     printf( "\tpopl %%esi\n" );
1591     printf( "\tpopl %%edx\n" );
1592     printf( "\tpopl %%ecx\n" );
1593     printf( "\tpopl %%ebx\n" );
1594
1595     /* Return to caller */
1596
1597     printf( "\tpopl %%ebp\n" );
1598     printf( "\tlret\n" );
1599
1600     /* Declare the return address variables */
1601
1602     printf( "\t.data\n" );
1603     printf( "\t.globl " PREFIX "CALL16_RetAddr_word\n" );
1604     printf( "\t.globl " PREFIX "CALL16_RetAddr_long\n" );
1605     printf( PREFIX "CALL16_RetAddr_word:\t.long 0\n" );
1606     printf( PREFIX "CALL16_RetAddr_long:\t.long 0\n" );
1607     printf( "\t.text\n" );
1608 }
1609
1610
1611 static void usage(void)
1612 {
1613     fprintf(stderr, "usage: build -spec SPECNAMES\n"
1614                     "       build -call32 FUNCTION_PROFILES\n"
1615                     "       build -call16 FUNCTION_PROFILES\n" );
1616     exit(1);
1617 }
1618
1619
1620 int main(int argc, char **argv)
1621 {
1622     int i;
1623
1624     if (argc <= 2) usage();
1625
1626     if (!strcmp( argv[1], "-spec16" ))
1627     {
1628         for (i = 2; i < argc; i++) BuildSpec16Files( argv[i] );
1629     }
1630     else if (!strcmp( argv[1], "-spec32" ))
1631     {
1632         for (i = 2; i < argc; i++) BuildSpec32Files( argv[i] );
1633     }
1634     else if (!strcmp( argv[1], "-call32" ))  /* 32-bit callbacks */
1635     {
1636         /* File header */
1637
1638         printf( "/* File generated automatically. Do no edit! */\n\n" );
1639         printf( "\t.text\n" );
1640
1641         /* Build the 32-bit large stack callback */
1642
1643         BuildCall32LargeStack();
1644
1645         /* Build the callback functions */
1646
1647         for (i = 2; i < argc; i++) BuildCall32Func( argv[i] );
1648
1649         /* Output the argument debugging strings */
1650
1651         if (debugging)
1652         {
1653             printf( "/* Argument strings */\n" );
1654             for (i = 2; i < argc; i++)
1655             {
1656                 printf( "CALL32_Str_%s:\n", argv[i] );
1657                 printf( "\t.ascii \"%s\\0\"\n", argv[i] + 5 );
1658             }
1659         }
1660     }
1661     else if (!strcmp( argv[1], "-call16" ))  /* 16-bit callbacks */
1662     {
1663         /* File header */
1664
1665         printf( "/* File generated automatically. Do no edit! */\n\n" );
1666         printf( "\t.text\n" );
1667         printf( "\t.globl " PREFIX "CALL16_Start\n" );
1668         printf( PREFIX "CALL16_Start:\n" );
1669
1670         /* Build the callback functions */
1671
1672         for (i = 2; i < argc; i++) BuildCall16Func( argv[i] );
1673
1674         /* Output the 16-bit return code */
1675
1676         BuildRet16Func();
1677
1678         printf( "\t.globl " PREFIX "CALL16_End\n" );
1679         printf( PREFIX "CALL16_End:\n" );
1680     }
1681     else usage();
1682
1683     return 0;
1684 }